CA1198823A - Circuit numerique de commande automatique de gain - Google Patents

Circuit numerique de commande automatique de gain

Info

Publication number
CA1198823A
CA1198823A CA000405867A CA405867A CA1198823A CA 1198823 A CA1198823 A CA 1198823A CA 000405867 A CA000405867 A CA 000405867A CA 405867 A CA405867 A CA 405867A CA 1198823 A CA1198823 A CA 1198823A
Authority
CA
Canada
Prior art keywords
digital
agc
input signal
operatively connected
analog
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000405867A
Other languages
English (en)
Inventor
Shigeyuki Unagami
Kuninosuke Ihira
Takashi Kaku
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA1198823A publication Critical patent/CA1198823A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
CA000405867A 1981-06-30 1982-06-23 Circuit numerique de commande automatique de gain Expired CA1198823A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56100534A JPS583406A (ja) 1981-06-30 1981-06-30 ディジタル形自動利得制御方法
JP100534/81 1981-06-30

Publications (1)

Publication Number Publication Date
CA1198823A true CA1198823A (fr) 1985-12-31

Family

ID=14276619

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000405867A Expired CA1198823A (fr) 1981-06-30 1982-06-23 Circuit numerique de commande automatique de gain

Country Status (6)

Country Link
US (1) US4482973A (fr)
EP (1) EP0069515B1 (fr)
JP (1) JPS583406A (fr)
CA (1) CA1198823A (fr)
DE (1) DE3273551D1 (fr)
ES (1) ES513530A0 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020611A (ja) * 1983-07-14 1985-02-01 Fujitsu Ltd ピ−ク値検出形ａｇｃ回路
AU560995B2 (en) * 1984-02-07 1987-04-30 Toshiba, Kabushiki Kaisha Process control apparatus
DE3723383A1 (de) * 1987-07-15 1989-01-26 Siemens Ag Schaltender pi-regler mit rueckfuehrung
US5321849A (en) * 1991-05-22 1994-06-14 Southwestern Bell Technology Resources, Inc. System for controlling signal level at both ends of a transmission link based on a detected valve
US5678198A (en) * 1991-05-22 1997-10-14 Southwestern Bell Technology Resources, Inc. System for controlling signal level at both ends of a transmission link, based upon a detected value
FI106325B (fi) 1998-11-12 2001-01-15 Nokia Networks Oy Menetelmä ja laite tehonsäädön ohjaamiseksi
US7190292B2 (en) * 1999-11-29 2007-03-13 Bizjak Karl M Input level adjust system and method
US6675125B2 (en) 1999-11-29 2004-01-06 Syfx Statistics generator system and method
US6870830B1 (en) 2000-11-30 2005-03-22 3Com Corporation System and method for performing messaging services using a data communications channel in a data network telephone system
US7386074B1 (en) 2003-10-06 2008-06-10 Redpine Signals, Inc. Digital automatic gain control method and apparatus
US8249271B2 (en) * 2007-01-23 2012-08-21 Karl M. Bizjak Noise analysis and extraction systems and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983381A (en) * 1974-12-18 1976-09-28 International Business Machines Corporation Digital automatic gain control circuit
US4213097A (en) * 1978-10-19 1980-07-15 Racal-Milgo, Inc. Hybrid automatic gain control circuit
US4191995A (en) * 1979-01-02 1980-03-04 Bell Telephone Laboratories, Incorporated Digital automatic gain control circuit
US4221934A (en) * 1979-05-11 1980-09-09 Rca Corporation Compandor for group of FDM signals
IT1121030B (it) * 1979-09-18 1986-03-26 Cselt Centro Studi Lab Telecom Procedimento e circuito per il controllo automatico del guadagno in apparecchiature elettroniche
JPS5799010A (en) * 1980-12-11 1982-06-19 Fujitsu Ltd High dynamic range digital agc system

Also Published As

Publication number Publication date
EP0069515A3 (en) 1984-03-07
DE3273551D1 (en) 1986-11-06
JPS6319089B2 (fr) 1988-04-21
EP0069515A2 (fr) 1983-01-12
JPS583406A (ja) 1983-01-10
EP0069515B1 (fr) 1986-10-01
ES8304675A1 (es) 1983-03-01
ES513530A0 (es) 1983-03-01
US4482973A (en) 1984-11-13

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20021231